Food habits of some winter bird visitants
By: by Ira N. Gabrielson.
Series: Department bulletin / United States Dept. of Agriculture -- no. 1249; Department bulletin (United States.  Dept. of Agriculture) -- no. 1249
Publisher: [s.n.]
Published: 1924
Place of publication: Washington, D.C
Language: eng
Number of pages: 32
Subjects: Birds -- Food; Birds -- United States; Birds -- Canada
Notes: Includes bibliographical references.